Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 20
11.
In an R-S latch, to set the output to high
A. R is low and S is high B. R and S are high C. R and S are low D. R is high and S is low
Answer: Option A
Explanation:
12.
The amplifier used in miller voltage sweep should have a gain of
Answer: Option A
Explanation:
13.
How many different binary numbers can be stored in a register consisting of six switches?
Answer: Option C
Explanation:
14.
In one of the codes for transfer of numbers the code for the succeeding number differs from that of the number only in the change of a single digit. The code is
A. ASCII B. Excess 3 CODE C. Gray CODE D. none of these
Answer: Option C
Explanation:
15.
Assertion (A): TTL uses multiple emitter transistor.
Reason (R): Multiple emitter transistors with about 60 emitters have been developed.
A. Both A and R are correct and R is correct explanation of A B. Both A and R are correct but R is not correct explanation of A C. A is true, R is false D. A is false, R is true
Answer: Option B
Explanation:
